Hot-smoked tub gurnard and sweet-and-sour salad

Ingredients

• 2 tub gurnards
• 8 tbsp coarse sea salt
• 2 ½ tbsp sugar
• 200 ml vinegar
• 200 g sugar
• 1 cm fresh ginger root
• ½ red chilli pepper
• 1 stem of lemon grass
• ¼ pumpkin
• 1 cucumber
• 1 lime
• 2 heads of little gem